Home / 204,154.66-306,032.43-91,863.15

Finding the Fourth Proportional to 204,154.66, 306,032.43 and 91,863.15

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Solution

The fourth proportional to 204,154.66, 306,032.43 and 91,863.15 is: 137,704.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,154.66 : 306,032.43 = 91,863.15 : x
  2. Step 2: Convert to fraction form
    204,154.66/306,032.43 = 91,863.15/x
  3. Step 3: Cross multiply
    204,154.66x = 306,032.43 × 91,863.15
  4. Step 4: Simplify right side
    204,154.66x = 28,113,101,702.09
  5. Step 5: Solve for x
    x = 28,113,101,702.09/204,154.66
  6. Step 6: Final answer
    x = 137,704.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.